1void ioc_ok_ack( queue_t *, mblk_t *, int ); 2void ioc_error_ack( queue_t *, mblk_t *, int ); 3void ioc_copyin( queue_t *, mblk_t *, mblk_t *, caddr_t, uint ); 4void ioc_copyout( queue_t *, mblk_t *, mblk_t *, caddr_t, caddr_t, uint ); 5